>>reporter: more like 10 penalty an baltimore had 14. but it's not the number of penalty that has coaches players and fans so frustrated. it's the questionable ones. the list is growing. >> they are trying to do the best job they can. they are just not qualified to handle the pace and speed of an nfl game. >>reporter: in the san francisco minnesota game officials twice allowed 49 investigators challenge calls. even though they had no time outs left. this looks like a catch on the one yard line by miami player. that's what the referee called it. but look again. he actually lost the ball when he hit the ground. after last night game patriots linebacker spike went off on twitter. someone please tell these zebra foot locker calls and needed back at work. some replacement referee come from a college level and indoor arena league. nfl turned to them after they locked out the regular referee when the contract expired in june. there are a few signs of progress in the negotiations. some see little reason for the nfl to cave fans are still filling